Next audiocom AD500 Guía de solución de problemas

INSTALLATION GUIDE/USER MANUAL

AD500

Technical and Safety Notices

Please read the following important technical, safety

and environmental notices before installing and using

your amplier.

Technical Notices

All reasonable design and engineering steps have been taken

to ensure that these ampliers always perform satisfactorily

in their intended application and environment and will provide

appropriate levels of support to ensure that all reasonable

customer needs and expectations are met. Such support

however is contingent on the following provisions.

1. These ampliers are Class-I products and should be installed

with a mains cable including the required earth connection to

comply with the Safety Class-I.

2. These ampliers should always be installed by competent

and qualied personnel. Amplier damage or failure caused

by installation or operational errors may invalidate support,

warranty or guarantees of performance.

3. These ampliers are not suitable for use in locations where

they may be accessible to minors.

4. These ampliers are intended to be used specically for the

amplication of audio signals and for connection to moving-coil

loudspeaker systems. Use of these ampliers for amplication

of signals outside the audio band (20Hz to 20kHz) or to drive

transducers other than moving-coil loudspeakers may invalidate

support, warranty or guarantees of performance.

5. These ampliers should only be used within professionally

installed and congured audio systems comprising input

and output ancillary equipments that is known to be of an

appropriate level of performance and in good operating

condition. Any damage to, or unsatisfactory performance from,

these ampliers caused by inadequate or failed input or output

ancillaries may invalidate support, warranty or guarantees of

performance.

6. These ampliers are intended to be installed and operated

indoor in a controlled environment (pollution degree, PD2)

within an ambient temperature range of 0°C to 40°C. These

ampliers are not intended for use above 2000 meters above sea

level. Ampliers installed or operated in environments outside

these limits may invalidate support, warranty or guarantees of

performance.

7. Specic warranty terms are the responsibility of the amplier

re-seller.

Safety and Environmental Notices

Note: The intent of the lightning ash with arrowhead symbol in a

triangle is to alert the user to the presence of uninsulated “dangerous”

voltage within the product’s enclosure that may be of sufcient

magnitude to constitute a risk of electric shock to humans.

Note: The intent of the exclamation point within an equilateral

triangle is to alert the user to the presence of important safety, and

operating and maintenance instructions in this manual.

WARNING! TO PREVENT FIRE OR ELECTRIC SHOCK,

DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR

MOISTURE.

Ambient Temperature Note: If this equipment is

operated in a conned or multiple rack installation, the

internal ambient operating temperature may exceed

the external ambient temperature. It is

important to ensure in these circumstances

that the published maximum operating

temperature for the equipment is not

exceeded.

Reduced Air Flow: Ensure that rack or

other closed installation does not restrict

the cooling airow required for safe and

reliable operation of the equipment.

Technical and Safety Notices

Important Safety Instructions

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Do not submerge the equipment in water or liquids.

7. Do not use any aerosol spray, cleaner, disinfectant or

fumigant on, near or into the equipment.

8. Clean only with a dry cloth.

9. Do not block any ventilation opening. Install in accordance

with the manufacturer’s instructions.

10. Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including ampliers)

that produce heat.

11. To reduce the risk of electrical shock, the power cord shall

be connected to a mains socket outlet with a protective

earthing connection.

12. Do not defeat the safety purpose of the polarized or

grounding type plug. A polarized plug has two blades with

one wider than the other. A grounding type plug has two

blades and a third grounding prong. The wide blade or the

third prong are provided for your safety. If the provided

plug does not t into your outlet, consult an electrician for

replacement of the obsolete outlet.

13. Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

14. Do not unplug the unit by pulling on the cord, use the plug.

15. Only use attachments/accessories specied by the

manufacturer.

16. Unplug this apparatus during lightning storms or when

unused for long periods of time.

17. Refer all servicing to qualied service personnel. Servicing

is required when the apparatus has been damaged in any

way, such as power supply cord or plug is damaged, liquid

has been spilled or objects have fallen into the apparatus,

the apparatus has been exposed to rain or moisture, does

not operate normally, or has been dropped.

18. The appliance coupler, or the AC Mains plug, is the AC mains

disconnect device and shall remain readily accessible after

installation.

19. Adhere to all applicable, local codes.

20. Consult a licensed, professional engineer when any doubt or

questions arise regarding a physical equipment installation.

Environmental Statement

This product complies with international

directives, including but not limited to the

Restriction of Hazardous Substances (RoHS)

in electrical and electronic equipment, the

Registration, Evaluation, Authorization and

restriction of Chemicals (REACH) and the

disposal of Waste Electrical and Electronic Equipment (WEEE).

Consult your local waste disposal authority for guidance on how

properly to recycle or dispose of this product.

Introduction and Overview

1. Introduction

AD500 power amplier was designed to provide

congurable, consistent and reliable high performance

audio power amplication for residential, commercial

and entertainment applications. Please read this manual

fully before installing and using an amplier. If you

have any questions regarding amplier conguration,

installation or operation please contact the appropriate

customer support portal.

Following this introduction, the manual is divided into sections

covering the following topics:

• 2. Overview

• 3. Carton Contents

• 4. Installation

• 5. Conguration

• 6. Connections

• 7. Operation

• 8. Specications

2. Amplier Overview

AD500 amplier is an half rack width, 1U format power

amplier that can drive both conventional low impedance (Lo-Z,

4Ω to 16Ω) loudspeakers and high impedance (Hi-Z, 70V/100V)

transformer coupled loudspeakers. It provide four analog

inputs, one stereo S/PDIF digital input, and either two or four

outputs (Lo-Z mode), or one or two outputs (Hi-Z mode). AD500

amplier also incorporate automatic power sharing technology

that enables power to be shared proportionately as required

between pairs of outputs in Lo-Z mode. AD500 amplier model

output channel counts and power outputs are as follows:

AD500

Mode Channels Max Rated Output per Channel

Lo-Z Four 125 Watts

Hi-Z Two 250 Watts

Introduction and Overview

2.1 Connections

AD500 signal input and output connections are accomplished

via RCA Phono and Euroblock style connectors. A GPIO (General

Purpose In/Out) Euroblock connector enables some amplier

functions to be controlled, and wireless or RJ45 socket Ethernet

network connection options are also provided.

AD500 amplier has no mains power switch and is operational

as soon as mains power is connected via the IEC 60320 mains

socket.

2.2 Network Features

AD500 amplier is a TCP/IP network connected device that

require a wired or wireless network connection to access its

conguration menus. The conguration menus are accessed

via the AD500 Control web app interface and cover Input,

Zone, Output and General Settings functions. The conguration

menus are fully described in Section 4 of this manual.

2.3 Dimensions

AD500 amplier dimensions and features are illustrated in

Diagrams 1a and 1b. The ampliers are primarily intended for

installation in an equipment rack but can also be under-desk

or wall mounted, or used free standing. They are fan-cooled

and must be installed such that ventilation apertures are not

obstructed.

2.4 Firmware

This manual describes the features, functions and user interface

of AD500 ampliers running Firmware Version 1.4.0.

It is strongly recommended that the rmware version installed

in the amplier in use is checked initially, and regularly

thereafter. If updated rmware is available, the

amplier should be updated as a priority.

The rmware installed in the amplier can be identied and

updated by selecting the Device option in the Control web app

Settings Menu. Firmware versions can be checked, and rmware

downloaded, from the AD500 website:

https://www.nextaudiogroup.com/en/product/ad500

3. Carton Contents

AD500 ampliers are shipped in a cardboard carton containing

the amplier unit, a mains cable appropriate for the sales

territory, an accessory pack, and a document pack. The full

contents is listed below.

• Amplier unit

• Mains power cable

• Input connector x 2

• GPIO socket connector

• Output connector x 1 or 2

• Adhesive rubber feet x 4

• Document pack

Overview

Diagram 2B

AD500 four channel amplier dimensions.

(Shaded area denes ventilation space.)

44 mm

1.7 in

220 mm

8.7 in

80 mm

3.1 in

319 mm

12.6 in

25 mm

1.0 in

Installation

4. Installation

Note: The rack mounting and desk/wall mounting components

described and illustrated in Sections 4.1 to 4.3 are not supplied

with AD500 ampliers but are available to purchase as accessories.

Contact your amplier re-seller for more information.

4.1 AD500 Mounting

The AD500 ampliers are shipped without rack mount hardware

attached but can be congured for rack installation using

one standard rack ‘ear’ and one half-rack extension piece as

illustrated in Diagram 4A. The installation and equipment rack

should be congured to provide appropriate ventilation airow

space around the sides and rear of the amplier as illustrated in

as illustrated in Diagram 4A. Ventilation airow space of at least

25 mm (1 in) should be maintained along at least one side of the

amplier at all times. Ventilation apertures are also located on

the rear panel of the amplier and must not be obstructed. It is

important to retain at least 80 mm (3.1 in) free space for airow

behind the amplier rear panel.

In addition to rack mount ears, optional rack mount rear

support hardware is available and can be attached to the

amplier. Rear support hardware may be appropriate if the

amplier is to be used in a mobile rack or potentially be subject

to signicant movement. Diagram 4B illustrates the use of rack

mount rear support hardware.

Multiple AD500 ampliers can also be mechanically connected

using accessory connecting plates. Diagram 4C illustrates the

use of connecting plates.

Diagram 4A

AD500

Rack Ear + Half-rack Extension.

Diagram 4B

AD500

Rack Support hardware. 2 positions.

Rack Ear +

2 x M4 x 8

countersunk

Half-rack Extension +

2 x M4 x 8 countersunk

Rear Support + Button +

1 x M4 x 8

Connection Plate +

4 x M3 x 6 countersunk

Diagram 4C

2 x AD500 with Connection Plate. 2 positions

Installation

Diagram 4D

AD500

with desk/wall Mounting Plate and adhesive feet.

2 positions and 4 positions.

Diagram 4E

AD500

wall and under-desk mount.

4.2 Free-standing

If not installed in an equipment rack, AD500 ampli ers can be

placed free-standing on a  at surface. Adhesive rubber feet are

supplied for this purpose.

AD500 ampli ers can also be attached to the

underside of desks or wall mounted using connecting

plate hardware. The adhesive rubber feet should

also be used in these circumstances to minimise

the possibility of vibration between the ampli er

and mounting surface. Wall and desk mounting is

illustrated in Diagrams 4D and 4E.

It is important in any free standing installation that

air ow through the ampli er’s side panel mounted

fans and rear panel ventilation apertures is not

compromised by adjacent items. At least 80mm of

free space behind the ampli er and 25mm along at

least one side should be retained at all times. Mounting Plate +

2 x M3 x 6 countersunk

Adhesive Foot

4 positions

Conguration

5. Conguration

Before making input, output and GPIO connections,

an initial AD500 amplier conguration should be

established. It is particularly important that the

amplier output format is congured appropriately for

the speakers that are to be connected.

Conguration requires that AD500 ampliers are

connected to mains power and network services. These

connections are described in the following two sections.

5.1 Mains Power Connection

AD500 ampliers incorporate a power factor corrected power

supply and can be used with mains input voltage from 100V AC

to 240V AC, 50/60Hz. Use the mains cable supplied with the

amplier and connect it to a switched mains supply.

AD500 ampliers have no mains power switch and are

operational as soon as mains power is connected.

5.2 Network Services

AD500 ampliers are congured via a web page interface

called AD500 Control. Before the conguration menus

can be accessed, AD500 ampliers must be connected

to the same TCP/IP network as the computer or mobile

device that is to be used for conguration access.

5.2.1 Wired (Ethernet) Network Connection

To connect a AD500 amplier to a TCP/IP network using a wired

connection (Ethernet) follow the steps below.

1. Use an Ethernet cable to connect the AD500 amplier rear

panel Network Control socket to a free socket on a network

router or switch, or directly to an Ethernet equipped laptop or

desktop computer.

2. Connect the AD500 amplier to mains power using the

supplied mains cable. Wait for the front panel Network indicator

to illuminate green to indicate that the amplier has network

connectivity.

3. The AD500 amplier default LAN IP address is

192.168.64.100. Congure the laptop or desktop computer

for a xed IP address in the same IP range; eg. 192.168.64.10,

with Subnet mask of 255.255.255.0 (or prex 24) and set the

Gateway to 192.168.64.1.

4. Open a laptop or desktop web browser and enter the address

http://192.168.64.100. The AD500 Control Web App interface

will open to enable amplier conguration as required.

Note: AD500 ampliers can be congured to use DHCP for network

connection if required. However, if a AD500 amplier using DHCP is

power cycled, it is possible that the TCP/IP network router will assign

it a different IP address, leaving its conguration page inaccessible

via the previous address. If this occurs, a network scanning app can

be used to identify the new IP address. DHCP and Fixed IP address

option settings can be found in the Settings Tab menu described in

Section 5.3.

5.2.2 Wireless (WiFi) Network Connection

To connect a AD500 amplier to a TCP/IP network using a

wireless connection (WiFi) follow the steps below.

1. With the AD500 amplier connected to mains power, wait for

the front panel WiFi indicator to illuminate green.

2. Use a mobile, laptop or desktop device to search for available

WiFi networks. Connect to, NEXT Audiocom AD500 (product

serial number)’ using the password, ‘password’. The amplier

serial number can be found on its rear panel.

3. Open a computer or mobile device web browser and enter the

IP address: 192.168.4.1. The AD500 Control Web App interface

will open to enable amplier conguration as required.

4. Select the Web App Settings Tab followed by WiFi > WiFi

Mode > Client to congure the amplier to connect to the

required WiFI network. The WiFi network name and password

will be required.

It is strongly recommended that the AD500 amplier Access

Point WiFi password is changed following initial wireless

connection.

Conguration

5.3.1 Input Tab

The Input Tab provides the following conguration parameters

for each amplier input channel:

• Input name

• Mono/Stereo selection

• Input sensitivity

• High-pass lter

• Gain trim

• Five band equalisation

The Input Tab also enables input signals to be mixed and routed

to specic amplier zones. The mix function enables any

amplier input, including stereo or split mono S/PDIF inputs,

to be grouped with any other input or inputs to create multiple

predened mixes.

Note: The number of individual mixes possible is equal to the number

of amplier analogue inputs.

Note: Mix inputs are muted by default with their level adjustment

sliders set to zero.

Mix operations take place following high-pass lter, input

equalisation and mono/stereo selection.

Diagram 5A

Conguration Dashboard display

Diagram 5B

Input Tab display

(two inputs only shown)

Input name - type to edit

Select mono or stereo

Select input sensitivity option

Adjust input gain

Open EQ window

Adjust zone volume

Note: When adjusting input gain, the input level display should

remain green. If it displays red, the input gain should be reduced.

5.3 Conguration Menus

Opening a web browser that is network connected to a AD500

amplier initially displays the AD500 Control Web App

Dashboard illustrated in Diagram 5A. The Dashboard is the

‘home’ page from which all other conguration options can be

accessed.

The Dashboard displays the amplier status, output zones and

the conguration menu tabs. It also enables immediate access

to zone volume control The functions available under each

conguration menu tab are described in the following sections.

Select input type

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